Lahti, R. E. (1979). Managing in a new era. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Lahti, Robert E. Managing in a New Era. San Francisco: Jossey-Bass, 1979.
Lua MLA (8ú heag.)Lahti, Robert E. Managing in a New Era. Jossey-Bass, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.